| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.10 | 5.03 | 0.07 |
| Feb | 5.43 | 5.21 | 0.22 |
| Mar | 5.65 | 5.57 | 0.08 |
| Apr | 5.25 | 5.10 | 0.15 |
| May | 4.93 | 4.78 | 0.15 |
| Jun | 4.83 | 5.00 | -0.17 |
| Jul | 4.81 | 5.00 | -0.19 |
| Aug | 4.10 | 3.99 | 0.11 |
| Sep | 4.15 | 4.22 | -0.07 |
| Oct | 3.79 | 3.54 | 0.25 |
| Nov | 4.41 | 4.02 | 0.39 |
| Dec | 6.18 | 6.10 | 0.08 |
58.63 | 57.56 | 1.07 |